From 5e6d8ac87c28d9a01a75e95efa8752e0c20d8deb Mon Sep 17 00:00:00 2001
From: mental <mental@users.sourceforge.net>
Date: Sat, 29 Jul 2006 21:12:13 +0000
Subject: [PATCH] switch to sigc++ SPObject signals for SPPattern

---
 ChangeLog          |  8 ++++----
 src/sp-pattern.cpp | 14 ++++++++++----
 src/sp-pattern.h   |  4 ++++
 3 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 9cb88be4f..af5c3eb0b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,10 +1,10 @@
 2006-06-29  MenTaLguY  <mental@rydia.net>
 
 	* src/desktop.cpp, src/desktop.h, src/sp-gradient.cpp,
-	  src/sp-gradient.cpp, src/widgets/desktop-widget.cpp,
-	  src/widgets/desktop-widget.h, src/widgets/gradient-image.cpp,
-	  src/widgets/gradient-image.h, src/widgets/gradient-toolbar.cpp,
-	  src/widgets/gradient-toolbar.cpp:
+	  src/sp-gradient.h, src/sp-pattern.cpp, src/sp-pattern.h,
+	  src/widgets/desktop-widget.cpp, src/widgets/desktop-widget.h,
+	  src/widgets/gradient-image.cpp, src/widgets/gradient-image.h,
+	  src/widgets/gradient-toolbar.cpp, src/widgets/gradient-toolbar.cpp:
 
 	  switch to sigc++ SPObject signals
 
diff --git a/src/sp-pattern.cpp b/src/sp-pattern.cpp
index 85a8ad649..89eeacec4 100644
--- a/src/sp-pattern.cpp
+++ b/src/sp-pattern.cpp
@@ -27,6 +27,9 @@
 #include "sp-pattern.h"
 #include "xml/repr.h"
 
+#include <sigc++/functors/ptr_fun.h>
+#include <sigc++/adaptors/bind.h>
+
 /*
  * Pattern
  */
@@ -137,6 +140,8 @@ sp_pattern_init (SPPattern *pat)
 	pat->height.unset();
 
 	pat->viewBox_set = FALSE;
+
+	new (&pat->modified_connection) sigc::connection();
 }
 
 static void
@@ -172,13 +177,14 @@ sp_pattern_release (SPObject *object)
 	}
 
 	if (pat->ref) {
-		if (pat->ref->getObject())
-			sp_signal_disconnect_by_data(pat->ref->getObject(), pat);
+		pat->modified_connection.disconnect();
 		pat->ref->detach();
 		delete pat->ref;
 		pat->ref = NULL;
 	}
 
+	pat->modified_connection.~connection();
+
 	if (((SPObjectClass *) pattern_parent_class)->release)
 		((SPObjectClass *) pattern_parent_class)->release (object);
 }
@@ -403,10 +409,10 @@ static void
 pattern_ref_changed(SPObject *old_ref, SPObject *ref, SPPattern *pat)
 {
 	if (old_ref) {
-		sp_signal_disconnect_by_data(old_ref, pat);
+		pat->modified_connection.disconnect();
 	}
 	if (SP_IS_PATTERN (ref)) {
-		g_signal_connect(G_OBJECT (ref), "modified", G_CALLBACK (pattern_ref_modified), pat);
+		pat->modified_connection = ref->connectModified(sigc::bind<2>(sigc::ptr_fun(&pattern_ref_modified), pat));
 	}
 
 	pattern_ref_modified (ref, 0, pat);
diff --git a/src/sp-pattern.h b/src/sp-pattern.h
index 42cac7a7e..4d49783fc 100644
--- a/src/sp-pattern.h
+++ b/src/sp-pattern.h
@@ -32,6 +32,8 @@ class SPPatternClass;
 #include "sp-paint-server.h"
 #include "uri-references.h"
 
+#include <sigc++/connection.h>
+
 class SPPatternReference : public Inkscape::URIReference {
 public:
         SPPatternReference (SPObject *obj) : URIReference(obj) {}
@@ -70,6 +72,8 @@ struct SPPattern : public SPPaintServer {
 	/* VieBox */
 	NRRect viewBox;
 	guint viewBox_set : 1;
+
+	sigc::connection modified_connection;
 };
 
 struct SPPatternClass {
-- 
2.30.2